Leeds United secured Italian centre-back Tarik Muharemović their latest signing.
The 24-year-old moves from Sassuolo for a reported £34.1 million fee.
The deal makes him one of the club's priciest defenders.
He has signed a extended contract.
Leeds' new man promised his full dedication in the transfer statements.
Club insiders recently call him among the best left-footed centre-backs around.